Dechlorination device
By designing a dechlorination device containing a chlorine removal bag and a spare tube, the equipment corrosion and ammonium chloride deposition caused by hydrogen chloride in the reaction effluent are solved, and effective hydrogen chloride adsorption and equipment protection effects are achieved.
Patent Information
- Application Number
- CN202421743324.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-23
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-23
AI Technical Summary
In the prior art, hydrogen chloride exists in the reaction effluent, causing corrosion of downstream equipment and reacts with nitrogen in the material to form ammonium chloride, which is deposited on the compressor impeller, which may cause damage or corrosion of the equipment.
A dechlorination device is designed, including components such as chlorination tubes, chlorination bags and spare tubes. The hydrogen chloride is adsorbed by the chlorination dechlorination agent in the chlorination bag to prevent it from reacting with nitrogen to form ammonium chloride. The replacement of the chlorination bags is achieved through the switching of the spare tubes and preventing the flow of the reaction effluent.
It effectively avoids hydrogen chloride staying in the equipment system for a long time, prevents ammonium chloride deposition and equipment corrosion, and reduces the risk of equipment damage and corrosion.
Smart Images
Figure CN222855023U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of dechlorination, in particular to a dechlorinator. Background Art
[0002] The raw material propane undergoes a dehydrogenation reaction at 630°C in the presence of a catalyst to generate propylene and hydrogen as well as a small amount of side reactions. At the same time, because chlorine needs to be injected during the catalyst regeneration stage, the chloride ions on the catalyst will be carried downstream with the reaction outflow, so hydrogen chloride will exist in the reaction product.
[0003] In the prior art, if the product gas contains a large amount of hydrogen chloride, it will cause corrosion to downstream equipment. In addition, hydrogen chloride will react with nitrogen in the material to form ammonium chloride, which will be deposited on the compressor impeller, possibly causing the compressor impeller to be easily damaged or corroded. Utility Model Content
[0004] The utility model aims to provide a dechlorinator to solve the problem that ammonium chloride is deposited on the compressor impeller, which may cause the compressor impeller to be easily damaged or corroded.
[0005] In order to achieve the above-mentioned purpose of the utility model, the utility model adopts the following technical scheme: a dechlorinator, including a dechlorination pipe, a storage port is opened on the surface of the dechlorination pipe, a fixing ring is rotatably arranged inside the storage port, a fixing plate is fixed on the surface of the dechlorination pipe, a rotating rod is fixed on one side of the fixing plate, a positioning plate is fixed on the surface of the fixing ring, the rotating rod and the positioning plate are rotatably inserted, a blocking plate is fixed on one end of the rotating rod, a dechlorination bag is detachably arranged inside the fixing ring, and a positioning ring is fixed on the surface of the fixing ring.
[0006] Preferably, the inner wall surface of the fixed ring is provided with a plurality of sliding grooves, a sliding rod is fixed to the inner bottom surface of the sliding groove, a sliding sleeve is slidably inserted on the sliding rod, a spring is surrounded by the surface of the sliding rod, one end of the spring is fixed to the inner bottom end of the sliding groove, and the other end of the spring is fixed to the bottom end of the sliding sleeve.
[0007] Preferably, a spare pipe is provided on one side of the dechlorination pipe, a connecting plate is fixed on the surface of the spare pipe, and a top surface of one end of the connecting plate is fixed to the surface of the dechlorination pipe.
[0008] Preferably, both ends of the dechlorination pipe are threadedly connected with secondary threaded pipes, and both ends of the spare pipe are threadedly connected with main threaded pipes.
[0009] Preferably, sealing rings are fixed on both sides of the fixing ring, and extrusion rings are fixed on both ends of the dechlorination pipe and the spare pipe.
[0010] Preferably, a residual chlorine sensor is fixed to the inner wall surface of the dechlorination pipe, and an indicator gauge is fixed to the surface of the dechlorination pipe.
[0011] Compared with the prior art, a dechlorinator using the above technical solution has the following beneficial effects:
[0012] 1. During the operation of the equipment, a large amount of hydrogen chloride will be present in the reaction effluent generated. As the reaction effluent flows, it will pass through the dechlorination bag. Since the dechlorination bag is filled with a dechlorinating agent, the hydrogen chloride in the reaction effluent can be adsorbed on the surface. When the dechlorinating agent in the dechlorination bag is fully adsorbed with hydrogen chloride, reducing the dechlorination effect, the staff will first use the positioning ring to pull the fixed ring to rotate with the rotating rod as the center of the circle, so as to move the dechlorination bag out of the dechlorination pipe. Then the staff will press the sliding sleeve into the inside of the sliding groove and compress the spring to remove the dechlorination bag from the fixed ring and replace it. After replacement, the staff will remove the force applied to the sliding sleeve, and the compressed spring will push the sliding sleeve upward, so that the new dechlorination bag can be installed in the fixed ring. The dechlorination agent can be used to adsorb hydrogen chloride by adsorbing hydrogen chloride, so as to avoid hydrogen chloride staying in the equipment system for a long time, prevent hydrogen chloride from reacting with nitrogen in the reactant to form ammonium chloride, and then cannot form deposition on the surface of the compressor impeller, avoid corrosion of parts inside the equipment, and reduce the risk of damage and corrosion of the equipment.
[0013] 2. When the residual chlorine sensor is sampled and tested in daily mode, and the result shows that the content of hydrogen chloride is greater than zero and continues to rise, the staff will first unscrew the pipe connected to the equipment from the secondary threaded pipe, and then screw the pipe back into the main threaded pipe, so as to switch the reaction effluent to the spare pipe. After the dechlorination bag is replaced and cooled, the pipe and the dechlorination pipe can be reconnected together to prevent the reaction effluent from flowing everywhere in the equipment when the dechlorination bag is replaced. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional schematic diagram of an embodiment.
[0015] Figure 2 It is an exploded perspective schematic diagram of an embodiment.
[0016] Figure 3 It is a schematic diagram of the storage opening and the explosion at the storage opening in the embodiment.
[0017] Figure 4 for Figure 3 A schematic diagram of the enlarged local structure in the middle.
[0018] In the figure: 1. chlorine removal pipe; 2. storage port; 3. fixing ring; 4. fixing plate; 5. rotating rod; 6. positioning plate; 7. blocking plate; 8. chlorine removal bag; 9. sliding groove; 10. sliding rod; 11. sliding sleeve; 12. spring; 13. spare pipe; 14. connecting plate; 15. main threaded pipe; 16. secondary threaded pipe; 17. sealing ring; 18. extrusion ring; 19. residual chlorine sensor; 20. indicator; 21. positioning ring. DETAILED DESCRIPTION
[0019] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.
[0020] like Figure 1-Figure 4 As shown, a dechlorinator comprises a dechlorination tube 1, a storage port 2 is provided on the surface of the dechlorination tube 1, a fixing ring 3 is rotatably provided inside the storage port 2, a fixing plate 4 is fixed on the surface of the dechlorination tube 1, a rotating rod 5 is fixed on one side of the fixing plate 4, a positioning plate 6 is fixed on the surface of the fixing ring 3, the rotating rod 5 and the positioning plate 6 are rotatably inserted, a blocking plate 7 is fixed on one end of the rotating rod 5, a dechlorination bag 8 is detachably provided inside the fixing ring 3, a positioning ring 21 is fixed on the surface of the fixing ring 3, a plurality of sliding grooves 9 are provided on the inner wall surface of the fixing ring 3, a sliding rod 10 is fixed on the inner bottom surface of the sliding groove 9, a sliding sleeve 11 is slidably inserted on the sliding rod 10, a spring 12 is surrounded on the surface of the sliding rod 10, one end of the spring 12 is fixed to the inner bottom end of the sliding groove 9, and the other end of the spring 12 is fixed to the bottom end of the sliding sleeve 11.
[0021] During use, when the equipment is working, a large amount of hydrogen chloride will be present in the reaction effluent generated. As the reaction effluent flows, it will pass through the dechlorination bag 8. Since the dechlorination bag 8 is filled with a dechlorination agent, the hydrogen chloride in the reaction effluent can be adsorbed on the surface. When the dechlorination agent in the dechlorination bag 8 is fully adsorbed with hydrogen chloride, the dechlorination effect is reduced. The staff will first use the positioning ring 21 to pull the fixing ring 3 to rotate around the rotating rod 5 as the center of the circle, so as to move the dechlorination bag 8 out of the dechlorination pipe 1. Then the staff will press the sliding sleeve 11 into the sliding groove 9 and compress the spring 1. 2, the chlorine removal bag 8 can be taken out of the fixed ring 3 and replaced. After the replacement, the staff will remove the force applied to the sliding sleeve 11, and the compressed spring 12 will push the sliding sleeve 11 upward, and the new chlorine removal bag 8 can be installed in the fixed ring 3. The adsorption of hydrogen chloride by the dechlorinating agent can be used to adsorb hydrogen chloride, so that hydrogen chloride can be prevented from staying in the equipment system for a long time, and hydrogen chloride can be prevented from generating ammonium chloride with nitrogen in the reactants, and thus cannot be deposited on the surface of the compressor impeller, thereby avoiding corrosion of parts inside the equipment and reducing the risk of damage and corrosion of the equipment.
[0022] like Figure 1-Figure 3As shown, a spare pipe 13 is provided on one side of the dechlorination pipe 1, a connecting plate 14 is fixed on the surface of the spare pipe 13, the top surface of one end of the connecting plate 14 is fixed to the surface of the dechlorination pipe 1, both ends of the dechlorination pipe 1 are threadedly connected with secondary threaded pipes 16, both ends of the spare pipe 13 are threadedly connected with main threaded pipes 15, sealing rings 17 are fixed on both sides of the fixing ring 3, extrusion rings 18 are fixed on both ends of the dechlorination pipe 1 and the spare pipe 13, a residual chlorine sensor 19 is fixed on the inner wall surface of the dechlorination pipe 1, and an indicator gauge 20 is fixed on the surface of the dechlorination pipe 1.
[0023] During use, when the residual chlorine sensor 19 is sampled and tested daily, and the results show that the content of hydrogen chloride is greater than zero and continues to rise, the staff will first unscrew the pipe connected to the equipment from the secondary threaded pipe 16, and then screw the pipe back into the main threaded pipe 15, so that the reaction effluent can be switched to the spare pipe 13. After the dechlorination bag 8 is replaced and cooled, the pipe and the dechlorination pipe 1 can be reconnected together to prevent the reaction effluent from flowing everywhere in the equipment when the dechlorination bag 8 is replaced.
[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A dechlorinator, comprising a dechlorination pipe (1), characterized in that: The surface of the dechlorination pipe (1) is provided with a storage opening (2), a fixing ring (3) is rotatably arranged inside the storage opening (2), a fixing plate (4) is fixed on the surface of the dechlorination pipe (1), a rotating rod (5) is fixed on one side of the fixing plate (4), a positioning plate (6) is fixed on the surface of the fixing ring (3), the rotating rod (5) and the positioning plate (6) are rotatably inserted, a blocking plate (7) is fixed on one end of the rotating rod (5), a dechlorination bag (8) is detachably arranged inside the fixing ring (3), and a positioning ring (21) is fixed on the surface of the fixing ring (3).
2. A dechlorinator according to claim 1, characterized in that: The inner wall surface of the fixed ring (3) is provided with a plurality of sliding grooves (9), the inner bottom surface of the sliding groove (9) is fixed with a sliding rod (10), a sliding sleeve (11) is slidably inserted on the sliding rod (10), a spring (12) surrounds the surface of the sliding rod (10), one end of the spring (12) is fixed to the inner bottom end of the sliding groove (9), and the other end of the spring (12) is fixed to the bottom end of the sliding sleeve (11).
3. A dechlorinator according to claim 1, characterized in that: A spare pipe (13) is provided on one side of the dechlorination pipe (1), a connecting plate (14) is fixed on the surface of the spare pipe (13), and the top surface of one end of the connecting plate (14) is fixed to the surface of the dechlorination pipe (1).
4. A dechlorinator according to claim 3, characterized in that: Both ends of the dechlorination pipe (1) are threadedly connected to secondary threaded pipes (16), and both ends of the spare pipe (13) are threadedly connected to primary threaded pipes (15).
5. A dechlorinator according to claim 1, characterized in that: Sealing rings (17) are fixed to both sides of the fixing ring (3), and squeezing rings (18) are fixed to both ends of the dechlorination pipe (1) and the standby pipe (13).
6. A dechlorinator according to claim 1, characterized in that: A residual chlorine sensor (19) is fixed on the inner wall surface of the dechlorination pipe (1), and an indicator gauge (20) is fixed on the surface of the dechlorination pipe (1).